NPPES file of Aug 9, 2026

Christine M. Leafdale, ARNP

Adult Health Nurse Practitioner · Seattle, WA

Christine M. Leafdale, ARNP is an adult health nurse practitioner with a practice address in Seattle, Washington, and NPI 1619906393, issued on Jul 3, 2006. Check the license (Washington AP30006789, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1619906393
Name
Christine M. Leafdale
Credential
ARNP
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License number
AP30006789 WA
Self-reported in NPPES; status is on the state search
Practice location
1959 NE Pacific St, Seattle, WA 98195
Phone
(206) 520-5000
Enumerated
Jul 3, 2006
Record last updated
Apr 29, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicaid ID
1619906393 WA
Medicare enrollment
Enrolled (PECOS I20051011000822); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1959 NE Pacific St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Benjamin AaronsonPsychologist1497108880
  2. Laith Abandeh, MDPediatric Radiology Physician1609404243
  3. Rebecca AbayInternal Medicine Physician1528565520
  4. Gifti Abbo, MDStudent in an Organized Health Care Education/Training Program1316688989
  5. Nandini AbburiNeurology Physician1730618349
  6. Mohamed AbdelmotlebDiagnostic Radiology Physician1134892656

Verify Christine M. Leafdale in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this profession
    Search for license AP30006789
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Washington license search

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92% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024

96 Medicare Part D claims for 42 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.

  1. Christine Leafdale96
  2. Specialty average1,280

Most prescribed

  1. Cilostazol18 claims
  2. Clopidogrel18 claims
  3. Xarelto18 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The MIPS final score for 2023 (Medicare payment program): 93.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score74.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. The Association OF University PhysiciansSeattle, WA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Christine M. Leafdale among 546 adult health nurse practitioner records in Washington

Christine M. Leafdale, ARNP is one of 546 adult health nurse practitioner records with a practice address in Washington. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 73% newer
  • In a Medicare fileYes · 63% of these records are
  • In the CMS Doctors and Clinicians fileYes · 48% of these records are
  • Graduated2004 · median 2014 among the 264 with a school on file
  • Record last updated2019 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Adult Health Nurse Practitioner providers in Washington

There are 546 adult health nurse practitioner records in Washington.

The 8 adult health nurse practitioner records with the nearest ZIP codes

  1. Burgess Bennett, ARNPSeattle, WA 981951104915776
  2. Diane Britt, ARNPSeattle, WA 981951013967975
  3. Barbara Fristoe, ARNPSeattle, WA 981951316991789
  4. Michael Grodesky, ARNPSeattle, WA 981951164440434
  5. Marie Hawley, ARNPSeattle, WA 981951679591945
  6. Nicola Kaye, ARNPSeattle, WA 981951366491987
  7. Heidi Kresken, ARNPSeattle, WA 981951194709469
  8. Cory Marston, ARNPSeattle, WA 981951063485860

Common questions

What is Christine M. Leafdale, ARNP's NPI number?

Christine M. Leafdale, ARNP's National Provider Identifier (NPI) is 1619906393, issued on Jul 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Christine M. Leafdale, ARNP located?

The NPPES record lists a practice address at 1959 NE Pacific St, Seattle, WA, 98195. Phone: (206) 520-5000. Providers update this record themselves, so call before visiting.

How can I verify Christine M. Leafdale, ARNP's license?

NPPES lists Washington license number AP30006789, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Christine M. Leafdale, ARNP prescribe under Medicare Part D?

In 2024, Christine M. Leafdale, ARNP had 96 Medicare Part D claims for 42 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. Part D covers Medicare prescriptions only.

What is Christine M. Leafdale, ARNP's MIPS final score?

The 2023 MIPS final score is 93.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.